[AusNOG] Airflow for Cisco switches in racks

[Mark Currie]

I just posted a question on their website to see if they have an Aussie distie...

Mark

-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Shane Chrisp
Sent: Friday, 6 November 2015 4:21 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Airflow for Cisco switches in racks

On 06/11/15 12:11, Daniel Hooper wrote:

Thats a good idea. Do you know anyone in AU that is distributing them or something like them?

Regards
Shane

> Maybe a pre-terminated patch panel on each end of the cabinet? 
> Something like this ..
> https://www.cablesys.com/pre-terminated-copper-plug-and-play-patch-pan
> els/
> , it should keep the cabling neat.
>
> *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On Behalf Of 
> *Maik Straube
> *Sent:* Friday, 6 November 2015 11:16 AM
> *To:* Robert Hudson <hudrob at gmail.com>; Radek Tkaczyk 
> <radek at tkaczyk.id.au>
> *Cc:* AusNOG Mailing List <ausnog at ausnog.net>
> *Subject:* Re: [AusNOG] Airflow for Cisco switches in racks
>
> Good boxes, I recall swapping the PSU/FAN units in Brocade VDX 6710's 
> as airflow requirements have changed in a DC a few years ago.
>
> No drama. :)
>
> *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On Behalf Of 
> *Robert Hudson
> *Sent:* Friday, 6 November 2015 1:08 PM
> *To:* Radek Tkaczyk <radek at tkaczyk.id.au <mailto:radek at tkaczyk.id.au>>
> *Cc:* AusNOG Mailing List <ausnog at ausnog.net 
> <mailto:ausnog at ausnog.net>>
> *Subject:* Re: [AusNOG] Airflow for Cisco switches in racks
>
> I just buy Brocade VDX switches instead, and specify port-exhaust 
> airflow - they ship with PSUs and fan units that work in the required 
> direction.
>
> Cheaper than Cisco too. :)
>
> On 6 Nov 2015 1:53 pm, "Radek Tkaczyk" <radek at tkaczyk.id.au 
> <mailto:radek at tkaczyk.id.au>> wrote:
>
>     Hi Guys,
>
>     We always mount our network switches in our racks with the switches
>     facing the rear, so that when you cable up servers, you don't have a
>     mess of network cabling going from the front of the rack to the back
>     of the rack. This has worked well for us for the last 10 years or
>     so, but recently with providers like NextDC doing cold isle
>     containment, this means that switches are blowing hot air into the
>     cold aisle, and some people get unhappy with this.
>
>     We use Cisco 3750 switches which are 1RU, and they blow hot air out
>     the back of the switches, some models have side-to-back airflow, but
>     it still results in hot air being sent into the cold aisle. I have
>     always thought that this amount of hot air was negligible, and
>     wouldn't even matter in the overall scheme of things, as long as
>     your servers were mounted around the right way.
>
>     How are other people handling this situation? I'm not really keen on
>     changing our rack standards and having to re-do the entire cabling
>     for racks across the 4 of our data centres that are using cold isle
>     containment!
>
>     Regards,
>
>     Radek Tkaczyk
>
>     Ph: 0413 383 231
>
>
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>
>
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--
Regards

Shane Chrisp
2000 Computers & Networks Pty Ltd
Suite 6, 49 Hay St, Subiaco, WA 6008
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
Email shane at 2000cn.com.au
Web http://www.2000cn.com.au
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